Check-Host.cc

Try 1.1.1.1 AS13335 check-host.cc /country/de /tld/cc
Top-Level Domain

.uk

Aggregated statistics for the top-level domain

Apex domains
3,711,279
we've enumerated
Subdomains seen
9,653,752
CT + DNS + brute
TLS certs
45,149
naming .uk
Hosting ASNs
15
distinct origins

Domain Distribution

Apex domains with the most known subdomains — large orgs, telecoms, hosters.
Apex Subdomains
insightandsound.co.uk 141,276
innfinite.co.uk 130,780
myzen.co.uk 38,611
almased.uk 36,489
ssdgws.co.uk 12,560
innfinitehospitality.co.uk 11,827
k-hosting.co.uk 10,623
sandringham.co.uk 10,510
dwpcloud.uk 9,658
3cx.uk 9,375
national.nhs.uk 9,371
wellbeingzone.co.uk 6,505
ox.ac.uk 5,714
lloydsbank.co.uk 5,105
dwp.gov.uk 4,956
mysitepreview.co.uk 4,886
mvpservices.co.uk 4,862
winetrove.co.uk 4,373
wmcco.uk 4,153
ustri.co.uk 4,137
langhamessex.org.uk 4,123
careersandenterprise.co.uk 3,827
ed.ac.uk 3,788
websitebuildersites.co.uk 3,622
streetwines.co.uk 3,593
tele2.co.uk 3,509
3cx.co.uk 3,329
babys1ststudio.co.uk 3,217
bbc.co.uk 3,160
altotest.co.uk 3,071
canterbury.ac.uk 3,035
rhsites.co.uk 2,917
hulldesign.co.uk 2,869
1926woodflooring.co.uk 2,729
ctdslab.co.uk 2,720
18hewettstreet.co.uk 2,712
cam.ac.uk 2,688
ebbsfleetvalley.co.uk 2,686
dns1.co.uk 2,656
ifedev3.uk 2,641
freesrve.co.uk 2,550
pharmaton.co.uk 2,411
talkdev.co.uk 2,383
snappygroupdev.co.uk 2,282
atlanticairlines.co.uk 2,238
orc.uk 2,163
veritasparty.co.uk 2,160
hungrrr.co.uk 2,150
joiners.uk 2,142
gss.gov.uk 2,124

Top Certificate Issuers

Issuer (CA) Certs
Let's Encrypt 16,251
Amazon 6,175
Sectigo 3,977
DigiCert 3,515
YR1 2,106
YR2 2,071
GoDaddy 1,729
GlobalSign 1,427
YE2 1,007
YE1 953
WR3 779
Cloudflare 647
GoDaddy (Starfield) 523
ZeroSSL 271
cPanel, Inc. Certification Authority 133

Top Hosting ASNs

ASN Name .uk domains
AS16509 Amazon.com 597,609
AS13335 Cloudflare 408,652
AS206834 — 353,039
AS396982 Google Cloud 116,272
AS47846 — 109,957
AS48254 20i 98,814
AS63949 Linode AS63949 85,428
AS53831 SQUARESPACE 78,577
AS8560 IONOS SE 64,210
AS12488 Krystal Hosting 60,804
AS58182 wix_com 57,382
AS47583 Hostinger International 45,294
AS14061 DigitalOcean 38,744
AS8075 Microsoft 37,983
AS20473 The Constant Company 35,203

Tech-Stack Distribution

No Wappalyzer detections

Body-fetcher hasn't covered enough .uk sites yet for stack patterns to emerge.

Most-resolved apex domains

Apexes resolving to the most distinct A/AAAA records — popularity proxy.
Apex Distinct IPs
16-25railcard.co.uk 878
abbey-carpets.co.uk 740
abodewallart.co.uk 736
adviceguide.org.uk 671
airtime.co.uk 555
aidukraine.org.uk 513
www.amazon.co.uk 476
airtimerewards.co.uk 430
verisk.co.uk 388
autodiscover.bonsersrestoration.co.uk 356
autodiscover.digitalstores.co.uk 261
newsimg.bbc.co.uk 246
autodiscover.recordstore.co.uk 235
www.gamstop.co.uk 231
express.co.uk 210
blackbox30-petuat.verisk.co.uk 207
americangolf.co.uk 200
swim22.diabetes.org.uk 195
static.bbc.co.uk 188
news.bbcimg.co.uk 188
autodiscover.globeproductions.co.uk 187
ichef.bbc.co.uk 187
downloads.bbc.co.uk 184
photos.holidaylettings.co.uk 183
www.uat-thetimes.co.uk 183

Threat-intel hits

Feed Category Domains
openphish phishing 31
ℹ Coverage will improve significantly once CZDS zone-file access is granted for this TLD.